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/*
* SonarQube Java
* Copyright (C) 2012 SonarSource
* [email protected]
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02
*/
package org.sonar.java;
import com.google.common.base.Joiner;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.api.design.Dependency;
import org.sonar.api.resources.Resource;
import org.sonar.api.utils.TimeProfiler;
import org.sonar.graph.DirectedGraph;
import org.sonar.java.ast.JavaAstScanner;
import org.sonar.java.ast.parser.JavaParser;
import org.sonar.java.ast.visitors.FileLinesVisitor;
import org.sonar.java.ast.visitors.SyntaxHighlighterVisitor;
import org.sonar.java.bytecode.BytecodeScanner;
import org.sonar.java.bytecode.visitor.BytecodeContext;
import org.sonar.java.bytecode.visitor.DefaultBytecodeContext;
import org.sonar.java.bytecode.visitor.DependenciesVisitor;
import org.sonar.java.model.InternalVisitorsBridge;
import org.sonar.plugins.java.api.JavaResourceLocator;
import org.sonar.squidbridge.api.CodeVisitor;
import org.sonar.squidbridge.api.Query;
import org.sonar.squidbridge.api.SourceCode;
import org.sonar.squidbridge.api.SourceCodeSearchEngine;
import org.sonar.squidbridge.indexer.SquidIndex;
import javax.annotation.Nullable;
import java.io.File;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
public class JavaSquid implements SourceCodeSearchEngine {
private static final Logger LOG = LoggerFactory.getLogger(JavaSquid.class);
private final SquidIndex squidIndex;
private final JavaAstScanner astScanner;
private final JavaAstScanner astScannerForTests;
private final BytecodeScanner bytecodeScanner;
private final DirectedGraph graph = new DirectedGraph<>();
private boolean bytecodeScanned = false;
public JavaSquid(JavaConfiguration conf,
@Nullable SonarComponents sonarComponents, @Nullable Measurer measurer,
JavaResourceLocator javaResourceLocator, CodeVisitor... visitors) {
Iterable codeVisitors = Iterables.concat(Collections.singletonList(javaResourceLocator), Arrays.asList(visitors));
if (measurer != null) {
Iterable measurers = Collections.singletonList((CodeVisitor) measurer);
codeVisitors = Iterables.concat(measurers, codeVisitors);
}
List classpath = Lists.newArrayList();
List testClasspath = Lists.newArrayList();
Collection testCodeVisitors = Lists.newArrayList(javaResourceLocator);
if (sonarComponents != null) {
codeVisitors = Iterables.concat(
codeVisitors,
Arrays.asList(
new FileLinesVisitor(sonarComponents, conf.getCharset()),
new SyntaxHighlighterVisitor(sonarComponents, conf.getCharset())
)
);
testCodeVisitors.add(new SyntaxHighlighterVisitor(sonarComponents, conf.getCharset()));
classpath = sonarComponents.getJavaClasspath();
testClasspath = sonarComponents.getJavaTestClasspath();
testCodeVisitors.addAll(sonarComponents.testCheckClasses());
}
//AstScanner for main files
astScanner = new JavaAstScanner(JavaParser.createParser(conf.getCharset()));
astScanner.setVisitorBridge(createVisitorBridge(codeVisitors, classpath, conf, sonarComponents));
//AstScanner for test files
astScannerForTests = new JavaAstScanner(astScanner);
astScannerForTests.setVisitorBridge(createVisitorBridge(testCodeVisitors, testClasspath, conf, sonarComponents));
//Bytecode scanner
BytecodeContext bytecodeContext = new DefaultBytecodeContext(sonarComponents, javaResourceLocator);
bytecodeScanner = new BytecodeScanner(bytecodeContext);
DependenciesVisitor dependenciesVisitor = new DependenciesVisitor(bytecodeContext, graph);
bytecodeScanner.accept(dependenciesVisitor);
for (CodeVisitor visitor : visitors) {
bytecodeScanner.accept(visitor);
}
squidIndex = (SquidIndex) astScanner.getIndex();
}
private static InternalVisitorsBridge createVisitorBridge(
Iterable codeVisitors, List classpath, JavaConfiguration conf, @Nullable SonarComponents sonarComponents) {
InternalVisitorsBridge visitorsBridge = new InternalVisitorsBridge(codeVisitors, classpath, sonarComponents);
visitorsBridge.setCharset(conf.getCharset());
visitorsBridge.setAnalyseAccessors(conf.separatesAccessorsFromMethods());
visitorsBridge.setJavaVersion(conf.javaVersion());
return visitorsBridge;
}
public void scan(Iterable sourceFiles, Iterable testFiles, Collection bytecodeFilesOrDirectories) {
scanSources(sourceFiles);
scanBytecode(bytecodeFilesOrDirectories);
scanTests(testFiles);
}
private void scanSources(Iterable sourceFiles) {
TimeProfiler profiler = new TimeProfiler(getClass()).start("Java Main Files AST scan");
astScanner.scan(sourceFiles);
profiler.stop();
}
private void scanTests(Iterable testFiles) {
TimeProfiler profiler = new TimeProfiler(getClass()).start("Java Test Files AST scan");
astScannerForTests.simpleScan(testFiles);
profiler.stop();
}
private void scanBytecode(Collection bytecodeFilesOrDirectories) {
if (hasBytecode(bytecodeFilesOrDirectories)) {
TimeProfiler profiler = new TimeProfiler(getClass()).start("Java bytecode scan");
bytecodeScanner.scan(bytecodeFilesOrDirectories);
bytecodeScanned = true;
profiler.stop();
} else {
LOG.warn("Java bytecode has not been made available to the analyzer. The " + Joiner.on(", ").join(bytecodeScanner.getVisitors()) + " are disabled.");
bytecodeScanned = false;
}
}
static boolean hasBytecode(Collection bytecodeFilesOrDirectories) {
if (bytecodeFilesOrDirectories == null) {
return false;
}
for (File bytecodeFilesOrDirectory : bytecodeFilesOrDirectories) {
if (bytecodeFilesOrDirectory.exists() &&
(bytecodeFilesOrDirectory.isFile() ||
!FileUtils.listFiles(bytecodeFilesOrDirectory, new String[]{"class"}, true).isEmpty())) {
return true;
}
}
return false;
}
public boolean isBytecodeScanned() {
return bytecodeScanned;
}
public SquidIndex getIndex() {
return squidIndex;
}
public DirectedGraph getGraph() {
return graph;
}
@Override
public SourceCode search(String key) {
return squidIndex.search(key);
}
@Override
public Collection search(Query... query) {
return squidIndex.search(query);
}
}
